:root{--color-bg: #fafbfc;--color-surface: #ffffff;--color-primary: #0066ff;--color-primary-hover: #0052cc;--color-primary-light: #e6f0ff;--color-text: #0a0e27;--color-text-secondary: #535d7c;--color-border: #e4e7ed;--color-accent: #06b6d4;--color-success: #10b981;--color-gradient-start: #0066ff;--color-gradient-end: #06b6d4;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "Courier New", monospace;--container-width: 1280px;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--spacing-2xl: 4rem;--spacing-3xl: 6rem;--radius-sm: .5rem;--radius-md: .75rem;--radius-lg: 1rem;--radius-xl: 1.5rem;--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px 0 rgba(0, 0, 0, .06);--shadow-lg: 0 12px 24px -6px rgba(0, 0, 0, .08);--shadow-xl: 0 20px 40px -12px rgba(0, 0, 0, .12);--shadow-glow: 0 0 40px rgba(0, 102, 255, .15);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .4s cubic-bezier(.4, 0, .2, 1)}.dark{--color-bg: #0a0e27;--color-surface: #141827;--color-primary: #3b8fff;--color-primary-hover: #5ca0ff;--color-primary-light: #1a2849;--color-text: #f1f5f9;--color-text-secondary: #94a3b8;--color-border: #1e293b;--color-accent: #22d3ee;--color-success: #34d399;--color-gradient-start: #3b8fff;--color-gradient-end: #22d3ee;--shadow-glow: 0 0 40px rgba(59, 143, 255, .2)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);line-height:1.7;transition:background-color var(--transition),color var(--transition);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-image:radial-gradient(at 20% 10%,rgba(0,102,255,.03) 0px,transparent 50%),radial-gradient(at 80% 90%,rgba(6,182,212,.03) 0px,transparent 50%),radial-gradient(at 40% 50%,rgba(0,102,255,.02) 0px,transparent 50%);background-attachment:fixed}.dark body{background-image:radial-gradient(at 20% 10%,rgba(59,143,255,.05) 0px,transparent 50%),radial-gradient(at 80% 90%,rgba(34,211,238,.05) 0px,transparent 50%),radial-gradient(at 40% 50%,rgba(59,143,255,.03) 0px,transparent 50%)}.container{max-width:var(--container-width);margin:0 auto;padding:0 var(--spacing-lg)}.navbar{position:sticky;top:0;background:#fffc;backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid rgba(228,231,237,.6);padding:1.25rem 0;z-index:100;box-shadow:0 4px 12px #00000008;transition:all var(--transition)}.dark .navbar{background:#141827cc;border-bottom-color:#1e293b99;box-shadow:0 4px 12px #0003}.navbar .container{display:flex;justify-content:space-between;align-items:center}.navbar .logo{font-size:1.35rem;font-weight:700;color:var(--color-text);text-decoration:none;transition:all var(--transition);letter-spacing:-.02em}.navbar .logo:hover{color:var(--color-primary);transform:translate(2px)}.nav-links{display:flex;gap:var(--spacing-lg);align-items:center}.nav-links a{color:var(--color-text-secondary);text-decoration:none;font-weight:500;transition:color var(--transition);position:relative}.nav-links a:hover{color:var(--color-primary)}.nav-links a:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background-color:var(--color-primary);transition:width var(--transition)}.nav-links a:hover:after{width:100%}.theme-toggle{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--spacing-xs);cursor:pointer;display:flex;align-items:center;justify-content:center;width:42px;height:42px;transition:all var(--transition);box-shadow:var(--shadow-sm)}.theme-toggle:hover{border-color:var(--color-primary);transform:translateY(-2px);box-shadow:var(--shadow-md);background:var(--color-primary-light)}.theme-toggle .sun{display:block}.theme-toggle .moon,.dark .theme-toggle .sun{display:none}.dark .theme-toggle .moon{display:block}main{min-height:calc(100vh - 200px);padding:var(--spacing-2xl) 0}.hero{text-align:center;padding:var(--spacing-3xl) 0 var(--spacing-2xl);position:relative}.hero:before{content:"";position:absolute;top:-50%;left:50%;transform:translate(-50%);width:80%;height:400px;background:radial-gradient(circle,rgba(0,102,255,.08) 0%,transparent 70%);border-radius:50%;z-index:-1;pointer-events:none}.dark .hero:before{background:radial-gradient(circle,rgba(59,143,255,.12) 0%,transparent 70%)}.hero h1{font-size:4rem;font-weight:800;margin-bottom:var(--spacing-lg);background:linear-gradient(135deg,var(--color-gradient-start),var(--color-gradient-end));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.03em;line-height:1.1}.hero .subtitle{font-size:1.75rem;color:var(--color-text);margin-bottom:var(--spacing-lg);font-weight:600;letter-spacing:-.01em}.hero .description{font-size:1.25rem;color:var(--color-text-secondary);max-width:800px;margin:0 auto var(--spacing-xl);line-height:1.75}.btn{display:inline-block;padding:.875rem 2rem;background-color:var(--color-primary);color:#fff;text-decoration:none;border-radius:var(--radius-lg);font-weight:600;font-size:1rem;transition:all var(--transition);border:none;cursor:pointer}.btn:hover{background-color:var(--color-primary-hover);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-outline{background:transparent;color:var(--color-primary);border:2px solid var(--color-primary)}.btn-outline:hover{background-color:var(--color-primary);color:#fff}.btn-group{display:flex;gap:var(--spacing-md);justify-content:center;flex-wrap:wrap}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:2rem;transition:all var(--transition);box-shadow:var(--shadow-sm);position:relative;overflow:hidden}.card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--color-gradient-start),var(--color-gradient-end));opacity:0;transition:opacity var(--transition)}.card:hover:before{opacity:1}.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl);border-color:#0066ff4d}.card h3{margin-bottom:var(--spacing-md);color:var(--color-text);font-size:1.35rem;font-weight:700;letter-spacing:-.01em}.card p{color:var(--color-text-secondary);margin-bottom:var(--spacing-md)}.card p:last-child,.card ul:last-child{margin-bottom:0}.card p.key-responsibilities{margin-top:1rem}.card ul{padding-left:1.5rem;line-height:1.8;color:var(--color-text-secondary)}.card h2+ul{line-height:2}.card p+ul{margin-top:1rem}.grid{display:grid;gap:var(--spacing-lg);margin-top:var(--spacing-xl)}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.flex-col{display:flex;flex-direction:column;gap:var(--spacing-lg)}.primary-link{color:var(--color-primary);text-decoration:none;font-weight:600;position:relative;transition:color var(--transition)}.primary-link:hover{color:var(--color-primary-hover)}.primary-link:after{content:"";position:absolute;bottom:-2px;left:0;width:100%;height:2px;background:linear-gradient(90deg,var(--color-gradient-start),var(--color-gradient-end));opacity:0;transition:opacity var(--transition)}.primary-link:hover:after{opacity:1}.edu-item{margin-bottom:1.5rem}.edu-item:last-child{margin-bottom:0}.edu-item h3{color:var(--color-primary);margin-bottom:.5rem}.edu-item .meta{color:var(--color-text-secondary)}.timeline-link{font-size:.875rem;color:var(--color-text-secondary)}.contact-card{max-width:800px;margin:0 auto}.grid-3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.section{padding:var(--spacing-3xl) 0}.section-title{font-size:3rem;font-weight:800;margin-bottom:var(--spacing-xl);text-align:center;letter-spacing:-.02em;position:relative;display:inline-block;width:100%}.section-title:after{content:"";position:absolute;bottom:-12px;left:50%;transform:translate(-50%);width:80px;height:4px;background:linear-gradient(90deg,var(--color-gradient-start),var(--color-gradient-end));border-radius:2px}.section-subtitle{font-size:1.35rem;color:var(--color-text-secondary);text-align:center;margin-bottom:var(--spacing-xl);max-width:850px;margin-left:auto;margin-right:auto;line-height:1.7}.publication{padding:1.75rem;background-color:var(--color-surface);border-radius:var(--radius-lg);border-left:5px solid transparent;border-image:linear-gradient(180deg,var(--color-gradient-start),var(--color-gradient-end));border-image-slice:1;margin-bottom:var(--spacing-lg);transition:all var(--transition);box-shadow:var(--shadow-sm)}.publication:hover{transform:translate(8px);box-shadow:var(--shadow-lg)}.publication-title{font-weight:700;margin-bottom:var(--spacing-sm);color:var(--color-text);font-size:1.15rem;line-height:1.5}.publication-authors{color:var(--color-text-secondary);font-size:.95rem;margin-bottom:var(--spacing-sm)}.publication-venue{font-style:italic;color:var(--color-text-secondary);font-size:.95rem;font-weight:500}.publication-links{margin-top:var(--spacing-sm);display:flex;gap:var(--spacing-sm)}.publication-links a{color:var(--color-primary);text-decoration:none;font-size:.875rem;font-weight:500}.publication-links a:hover{text-decoration:underline}.footer{background:linear-gradient(to bottom,transparent,var(--color-surface));border-top:1px solid var(--color-border);padding:var(--spacing-3xl) 0 var(--spacing-xl);margin-top:var(--spacing-3xl)}.footer-content{display:flex;justify-content:space-between;align-items:center;gap:var(--spacing-xl);margin-bottom:var(--spacing-xl);flex-wrap:wrap}.footer-info h3{font-size:1.5rem;margin-bottom:var(--spacing-sm);font-weight:700;letter-spacing:-.01em}.footer-info p{color:var(--color-text-secondary);font-size:1rem}.social-links{display:flex;gap:var(--spacing-sm);align-items:center}.social-links a{color:var(--color-text-secondary);text-decoration:none;transition:all var(--transition);display:flex;align-items:center;justify-content:center;padding:.75rem;border-radius:var(--radius-md);background:var(--color-bg);border:1px solid var(--color-border)}.social-links a:hover{color:var(--color-primary);background:var(--color-primary-light);border-color:var(--color-primary);transform:translateY(-3px);box-shadow:var(--shadow-md)}.social-links svg{width:24px;height:24px}.footer-bottom{text-align:center;padding-top:var(--spacing-lg);border-top:1px solid var(--color-border);color:var(--color-text-secondary);font-size:.875rem}.footer-bottom p{margin:.5rem 0}.footer-meta{font-size:.75rem;opacity:.8}.footer-meta a{color:var(--color-text-secondary);text-decoration:none;transition:color var(--transition)}.footer-meta a:hover{color:var(--color-primary)}@media(max-width:768px){.container{padding:0 var(--spacing-md)}.nav-links{gap:var(--spacing-sm);font-size:.9rem}.hero{padding:var(--spacing-2xl) 0}.hero h1{font-size:2.5rem;line-height:1.2}.hero .subtitle{font-size:1.35rem}.hero .description{font-size:1.1rem}.section{padding:var(--spacing-2xl) 0}.section-title{font-size:2.25rem}.btn-group{flex-direction:column;align-items:stretch}.btn{width:100%;justify-content:center}.card{padding:1.5rem}.footer-content{flex-direction:column;align-items:center;text-align:center}.footer-info{width:100%;text-align:center}.social-links{width:100%;justify-content:center}}.text-center{text-align:center}.mt-lg{margin-top:var(--spacing-lg)}.mb-lg{margin-bottom:var(--spacing-lg)}.highlight{color:var(--color-primary);font-weight:600}@keyframes fadeIn{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInScale{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}.fade-in{animation:fadeIn .8s cubic-bezier(.4,0,.2,1)}.fade-in-scale{animation:fadeInScale .6s cubic-bezier(.4,0,.2,1)}.slide-in-left{animation:slideInLeft .7s cubic-bezier(.4,0,.2,1)}.grid>.card:nth-child(1){animation-delay:.1s}.grid>.card:nth-child(2){animation-delay:.2s}.grid>.card:nth-child(3){animation-delay:.3s}.grid>.card:nth-child(4){animation-delay:.4s}.grid>.card:nth-child(5){animation-delay:.5s}.grid>.card:nth-child(6){animation-delay:.6s}.scroll-progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--color-gradient-start),var(--color-gradient-end));z-index:9999;transition:width .1s ease-out;box-shadow:0 0 10px #0066ff80}